878879 has 4 divisors (see below), whose sum is σ = 885720. Its totient is φ = 872040.

The previous prime is 878873. The next prime is 878893. The reversal of 878879 is 978878.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 978878 = 2 ⋅489439.

It is a cyclic number.

It is not a de Polignac number, because 878879 - 2⁴ = 878863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (878873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3224 + ... + 3485.

It is an arithmetic number, because the mean of its divisors is an integer number (221430).

2⁸⁷⁸⁸⁷⁹ is an apocalyptic number.

878879 is a deficient number, since it is larger than the sum of its proper divisors (6841).

878879 is a wasteful number, since it uses less digits than its factorization.

878879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6840.

The product of its digits is 225792, while the sum is 47.

The square root of 878879 is about 937.4854665540. The cubic root of 878879 is about 95.7876890807.

Subtracting 878879 from its reverse (978878), we obtain a palindrome (99999).

It can be divided in two parts, 8 and 78879, that added together give a palindrome (78887).

The spelling of 878879 in words is "eight hundred seventy-eight thousand, eight hundred seventy-nine".